How Close Were the Nazis to the Nuclear Bomb? (The Graphite Mistake That Wasn't)

Subscribe to ⁨‪@VEIN.Materials‬ ⏱️ If this documentary was worth your time, consider buying me a coffee. Every coffee goes directly toward researching, writing, and producing the next story, so I can keep making documentaries like this. Thanks for watching, and for supporting independent storytelling. https://buymeacoffee.com/VEIN.Material In August 1939, Albert Einstein warned Roosevelt that Nazi Germany might build an atomic bomb from uranium. According to the men who ran Germany's programme, the race turned on the black core of a pencil: graphite, and one measurement of it made in a Heidelberg laboratory in January 1941. This is the history of graphite and the German atomic bomb, told from the documents rather than the legends. It starts in April 1945, in a beer cellar under a church in Haigerloch, where the Alsos mission found an empty reactor pit and uranium cubes buried in a field. From there it goes back 400 years to the sheep farmers of Borrowdale and the word that has been wrong ever since, then to Walther Bothe's graphite sphere at the Kaiser Wilhelm Institute, the heavy water of Vemork, Fermi and Szilard's fight over four tons of carbon, and the first chain reaction under a squash court in Chicago. Then the evidence that changed the story: a 2025 reconstruction of Bothe's experiment, the boron measurements nobody told the public about, the secret Farm Hall recordings, and a 2026 simulation of the Haigerloch reactor itself. How close were the Nazis to the bomb, and was the graphite mistake ever a mistake? Tell us in the comments whether you think Germany should have paid to clean its carbon. Subscribe for more history told from the documents. #NaziAtomicBomb #Graphite #Haigerloch 0:00 The Black Core of a Pencil 3:27 Why Pencils Never Held Any Lead 8:37 What Bothe Measured in Heidelberg 12:06 Why the Bomb Could Wait 17:26 What Rose Under the Squash Court 21:03 An Ending Almost Too Neat 28:09 What the Microphones at Farm Hall Heard 35:57 So How Close Were They? WHERE THE NUMBERS COME FROM American Nuclear Society IMAGE CREDITS "1939 American city street", a YouTube upload — not licensed (claims risk) (   • The streets of New York, 1939  ) "Franklin D. Roosevelt", pd (https://commons.wikimedia.org/wiki/Fi...) "Washington DC Capitol", a YouTube upload — not licensed (claims risk) (   • The Heart of the Nation (1940s)  ) "American physicists 1940s", a YouTube upload — not licensed (claims risk) (   • Archival Laboratory Science, Scientists, E...  ) "Berlin street in 1939", a YouTube upload — allowed by this video's YouTube tick (not royalty-free: skip channels that file claims, e.g. The Slow Mo Guys) (   • German Newsreel: Berlin 1936  ) "Otto Hahn" by Unknown authorUnknown author, Public domain (https://commons.wikimedia.org/wiki/Fi...) "Joachimsthal uranium mines" by AnonymousUnknown author, Public domain (https://commons.wikimedia.org/wiki/Fi...) "German university laboratory 1940s" by Frankl, A., CC BY-SA 3.0 de (https://commons.wikimedia.org/wiki/Fi...) "pencil graphite core", a YouTube upload — not licensed (claims risk) (   • Whispers of Graphite: ASMR Pencil Sharpeni...  ) "Heidelberg" by Roepers, CC BY 4.0 (https://commons.wikimedia.org/wiki/Fi...) "bombed German town 1945", a YouTube upload — not licensed (claims risk) (   • DÜSSELDORF 1943 | AFTER THE BOMBS | Rare C...  ) "Walther Bothe", pd (https://commons.wikimedia.org/wiki/Fi...) "Haigerloch on a map of southern Germany" by Roman Eisele, CC BY-SA 4.0 (https://commons.wikimedia.org/wiki/Fi...) "Haigerloch old town in its river valley", a YouTube upload — allowed by this video's YouTube tick (not royalty-free: skip channels that file claims, e.g. The Slow Mo Guys) (   • Haigerloch von oben / Drohne  ) "Haigerloch castle church on its cliff", by (https://commons.wikimedia.org/wiki/Fi...) "Alsos Mission team around a table" by AIP Emilio Segrè Visual Archives, Gift of Michaele Thurgood Haynes and Terry Thurgood, CC0 (https://commons.wikimedia.org/wiki/Fi...) "Alsos team searching a German laboratory", a YouTube upload — allowed by this video's YouTube tick (not royalty-free: skip channels that file claims, e.g. The Slow Mo Guys) (   • Boris T. Pash papers, Reel 3 of 4: "Alsos ...  ) Full image credits in the pinned comment MUSIC & SOUND 32 more CC0 / public-domain items — full list in the pinned comment